Understanding Prime and Composite Numbers

Is 7 a prime number or a composite number?

• composite

• prime

Tags

CCSS.4.OA.B.4

Is 12 prime or composite?

• prime

• composite

Tags

CCSS.4.OA.B.4

What makes a number a composite number?

• It only has 2 factors 1 and itself.

• It is an even number.
  It is an odd number.

• Is is an odd number.

• It has more than two factors.

Tags

CCSS.4.OA.B.4

Which of the following numbers is a prime number?

• 15

• 23

• 28

• 35

Tags

CCSS.4.OA.B.4

Which of the following numbers is a composite number?

• 2

• 3

• 9

• 11

Tags

CCSS.4.OA.B.4

What is the prime factorization of 60?

Which of the following is a factor of 36?

• 5

• 6

• 7

• 8

Tags

CCSS.4.OA.B.4

Explain the difference between a prime number and a composite number.

• A prime number has more than two factors, while a composite number has exactly two factors.

• A prime number has exactly two factors, while a composite number has more than two factors.

• A prime number has only one factor, while a composite number has two factors.

• A prime number and a composite number both have more than two factors.

Tags

CCSS.4.OA.B.4

Which of the following numbers is a prime number?

• 31

• 44

• 50

• 60

Tags

CCSS.4.OA.B.4

What is the prime factorization of 84?